SPOCK: A theory. A reverse application of what happened to us. Logically, it could work. Also, logically, there are a hundred variables, any one of which could put us in a worse position than we're in now.

(It's nighttime, and a guard is patrolling the corridors when Kirk and Sulu beam in. They smile at the quaint notice board and trophy cupboard before breaking into the Statistical Services Division by means of a sort of sonic screwdriver. Kirk's torch lights up a bank of magnetic tapes)